1 listed building, 1 of them Grade II*

Cadw lists buildings of special architectural or historic interest in three grades: Grade I for buildings of exceptional interest, Grade II* for particularly important buildings of more than special interest, and Grade II for buildings of special interest. Listing protects the whole building, inside and out.

Every entry on Cadw’s register of listed buildings whose point lies inside the ONS 2022 built-up-area boundary. One list entry can cover a terrace or a group of buildings.

Two measures, each ranked against every UK town of 1,000 or more, with protected heritage counting twice as much as the age of homes. Protected heritage counts each listed building by its grade (Grade I three points, II* two, II one), each scheduled monument and battlefield two, and each registered park or garden by its grade; it is ranked both per 10,000 residents and as a total, so a village with one fine church doesn’t outrank a historic city. The second measure is the share of homes built before 1919, from the Valuation Office Agency’s council tax records. History is a character grade: it describes the town and isn’t part of the overall grade.

Penyffordd has 1 listed building, including St John the Baptist's Church. For its size the list is short: per resident, it has more listed heritage than only 11% of UK towns. Most towns its size have more Grade I buildings: the typical one has 0. Otherwise the figures are ordinary: its only entry went on the list in 1997; and 9.9% of its homes were built before 1919, close to the 15% in the typical UK town.